8326760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 20563200

約数和(自身を除く): 12236440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 239, 260, 268, 335, 478, 520, 536, 670, 871, 956, 1195, 1340, 1742, 1912, 2390, 2680, 3107, 3484, 4355, 4780, 6214, 6968, 8710, 9560, 12428, 15535, 16013, 17420, 24856, 31070, 32026, 34840, 62140, 64052, 80065, 124280, 128104, 160130, 208169, 320260, 416338, 640520, 832676, 1040845, 1665352, 2081690, 4163380, 8326760]

約数ペア:

[(1, 8326760), (2, 4163380), (4, 2081690), (5, 1665352), (8, 1040845), (10, 832676), (13, 640520), (20, 416338), (26, 320260), (40, 208169), (52, 160130), (65, 128104), (67, 124280), (104, 80065), (130, 64052), (134, 62140), (239, 34840), (260, 32026), (268, 31070), (335, 24856), (478, 17420), (520, 16013), (536, 15535), (670, 12428), (871, 9560), (956, 8710), (1195, 6968), (1340, 6214), (1742, 4780), (1912, 4355), (2390, 3484), (2680, 3107)]